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Producers: the first trophic level

Producers: the first trophic level is part of IB Environmental Systems and Societies Topic 2.2. Below you'll find links to free study notes, flashcards, and practice questions.

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2.2.1Energy and matter in ecosystems2.2.2The first law of thermodynamics2.2.3Photosynthesis and respiration transform energy and matter2.2.4Photosynthesis: from light to biomass2.2.6Cellular respiration: releasing energy2.2.7Respiration and heat2.2.8The second law of thermodynamics2.2.9Consumers and their feeding strategies2.2.10Producers and consumers in food chains2.2.11Food chains and trophic levels